Home / 293,464,776.40-439,152,070.20-255,542,779.60

Finding the Fourth Proportional to 293,464,776.40, 439,152,070.20 and 255,542,779.60

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Solution

The fourth proportional to 293,464,776.40, 439,152,070.20 and 255,542,779.60 is: 382,404,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,464,776.40 : 439,152,070.20 = 255,542,779.60 : x
  2. Step 2: Convert to fraction form
    293,464,776.40/439,152,070.20 = 255,542,779.60/x
  3. Step 3: Cross multiply
    293,464,776.40x = 439,152,070.20 × 255,542,779.60
  4. Step 4: Simplify right side
    293,464,776.40x = 112,222,140,686,002,320
  5. Step 5: Solve for x
    x = 112,222,140,686,002,320/293,464,776.40
  6. Step 6: Final answer
    x = 382,404,123.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.